Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3PDR callsign genealogy
Currently held by Philadelphia Digital Radio Association, Inc
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by K3PDR's current licensee, walking backwards.
- KB3PCTcancelledPhiladelphia Digital Radio Association, IncPAgranted 2007-05-04cancelled 2007-05-25
Successor callsigns
Callsigns held now by people who previously held K3PDR.
No current licensee on record previously held this callsign.